
//结构体
struct stc0{};

struct stc1{
    int a;
    const int b;
};

struct stc2{

    int a:2;

    const int b;

    week sw;

    const stc1 st;

} _w;

//嵌套结构体
struct structName
{

    struct  subS
    {

        int a:98;

        const float a1;

        float b1;

        int b2;

    } _subs;

    int a;

    int* ap;

    int b[16];

    struct stc1  outside;

    struct  subS c;

    enum week w;

} _sName;